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There is a slow speed via OTA with BrCM 20737s chip with Samsung handsets even if we
add in Ws_upgrade_ota.c
// to make upgrade faster request host to reduce connection interval to minimum lel2cap_sendConnParamUpdateReq(6, 6, 0, 700);
but it doesnt work and ota speed near 20min.
However if we mark this line below in encryption_changed(HCI_EVT_HDR *evt)() in hello_sensor.c
// We are done with initial settings, and need to stay connected. It is a good // time to slow down the pace of master polls to save power. Following request asks // host to setup polling every 100-500 msec, with link supervision timeout 7 seconds. //bleprofile_SendConnParamUpdateReq(80, 400, 0, 700);
it can work with only 2min ota. However, we disable a refered speed from slave to master...
is it impact any issue for instance, master auto set a interval speed but slave can not support it to cause link-drop or other issue???